• Welcome to the
    Snoqualmie Valley
    School District
     
    November 21-26, check with your school for Parent-Teacher Conference schedules and early release times.
     
    During severe winter weather, click here to learn the status of our schools.
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Contact Us

  • Main Campus Office
    Phone: 425.831.8100
    Attendance: 425.831.8200
    Counseling: 425.831.8150
    Athletics: 425.831.8103
    Hours: 7:00 - 3:30 p.m.
     
     
    Freshman Campus Office
    Phone: 425.831.8450
    Attendance: 425.831.8450
    Counseling: 425.831.8475
    Athletics: 425.831.8103
    Hours: 7:00 - 3:30 p.m.
     
     
    Finance Hours - both campuses
    7:30 - 12:30 p.m.
     
     
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ANNOUNCEMENTS

Welcome to MSHS

Mount Si High School is the sole comprehensive high school in the Snoqualmie Valley School District, serving approximately 1,600 students in grades 9-12. Opening in 1945, Mount Si High School offers a safe, positive learning environment with a comprehensive program to inspire learning and challenge students as they prepare for college and 21st Century careers. Students have access to rigorous college preparatory curriculum, exceptional career technical education programs, and a rich array of elective classes and extracurricular activities to expand their skills and interests.

School Profile

Mount Si High School Profile